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CVE-2020-1540

HIGHCVSS 7.8/10EPSS 0.91%

Last modified

CVE-2020-1540 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An elevation of privilege vulnerability exists when the Windows Backup Engine improperly handles memory. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges. The security update addresses the vulnerability by correcting how the Windows Backup Engine handles memory.. EPSS estimates a 0.91% chance of exploitation in the next 30 days.

Description

An elevation of privilege vulnerability exists when the Windows Backup Engine improperly handles memory. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges. The security update addresses the vulnerability by correcting how the Windows Backup Engine handles memory.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.91%

55.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
MicrosoftWindows 10All versions—
MicrosoftWindows 101607—
MicrosoftWindows 101709—
MicrosoftWindows 101803—
MicrosoftWindows 101809—
MicrosoftWindows 101903—
MicrosoftWindows 101909—
MicrosoftWindows 102004—
MicrosoftWindows 7All versionsSp1
MicrosoftWindows 8.1All versions—
MicrosoftWindows Rt 8.1All versions—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-1540?
An elevation of privilege vulnerability exists when the Windows Backup Engine improperly handles memory. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges. The security update addresses the vulnerability by correcting how the Windows Backup Engine handles memory.
How severe is CVE-2020-1540?
CVE-2020-1540 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.
How do I fix CVE-2020-1540?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1540?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST